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Official Space Weather Advisory issued by NOAA Space Weather Prediction Center
Boulder, Colorado, USA

SPACE WEATHER ADVISORY OUTLOOK #26-39
2026 October 11 at 9:56 p.m. MDT (2026 October 12 0356 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For October 5-11

R1 (Minor) solar radiation storms were observed on 05, 06, 09, and 10 Oct.
R2 (Moderate) solar radiation storms were observed on 08 and 10 Oct.

G1 (Minor) geomagnetic storms were observed on 05 and 10 Oct
G2 (Moderate) geomagnetic storms were observed on 10 Oct.
G3 (Strong) geomagnetic storms were observed on 10 Oct.

No additional space weather was observed during the summary period.

Outlook For October 12-18

G1 (Minor) geomagnetic storms are expected on 13 Oct.

No additional space weather is expected during the outlook period.

Data used to provide space weather services are contributed by NOAA,
USAF, NASA, NSF, USGS, the International Space Environment Services 
and other observatories, universities, and institutions. More 
information is available at SWPC's Web site http://swpc.noaa.gov